Are you sure your rear axle ratio is a 4.11? My 62 is a 3.90 and these were alot more common. Anyways i have a rebuilt 235 about 3500 miles on it now and i am getting 24 miles/per/gallon cool I just put in a S10 5 speed tranny and i figure i will be getting close to 30 miles/per/gallon now!! grin my tires are 225/70/15


*under construction* 1962 Chev truck: Bagged & bodydropped, shaved, custom made clear tailights & roll pan, custom made aluminum parts.
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